@techreport{repORt:2018-045,
	author = {A.P. Punnen and M. Walter},
	title = {A characterization of linearizable instances of the Quadratic Traveling Salesman Problem},
	institution = {Lehrstuhl f\"{u}r Operations Research, RWTH Aachen University},
	year = {2018},
	type = {repORt},
	number = {2018--045},
	month = {May},
	note = {Submitted},
	url = {https://or.rwth-aachen.de/files/research/repORt/A characterization of linearizable instances of the Quadratic Traveling Salesman Problem.pdf}
}